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improvements in the two-point model on the sphere

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Zeno Rogue
2018-04-21 12:18:33 +02:00
parent abbf536466
commit 323893094f
4 changed files with 104 additions and 39 deletions
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21
graph.cpp
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@@ -5026,11 +5026,6 @@ void queuecircleat(cell *c, double rad, int col) {
void drawMarkers() {
if(pmodel == mdTwoPoint) {
queuechr(xpush(+vid.twopoint_param) * C0, 8, 'X', 0xFFFF00);
queuechr(xpush(-vid.twopoint_param) * C0, 8, 'X', 0xFFFF00);
}
if(!(cmode & sm::NORMAL)) return;
for(cell *c1: crush_now)
@@ -5500,18 +5495,24 @@ void drawfullmap() {
ptds.clear();
if(!stereo::active() && sphere && pmodel == mdTwoPoint) {
if(pmodel == mdTwoPoint) {
queuechr(xpush(+vid.twopoint_param) * C0, vid.xres / 100, 'X', 0xFF0000);
queuechr(xpush(-vid.twopoint_param) * C0, vid.xres / 100, 'X', 0xFF0000);
}
if(!twopoint_do_flips && !stereo::active() && sphere && pmodel == mdTwoPoint) {
queuereset(vid.usingGL ? mdDisk : mdUnchanged, PPR_CIRCLE);
for(int a=0; a<=180; a++) {
for(int b=-1; b<=1; b+=2)
for(int a=-90; a<=90; a++) {
using namespace hyperpoint_vec;
ld x = cos(a * M_PI / 90);
ld x = sin(a * vid.twopoint_param * b / 90);
ld y = 0;
ld z = -sqrt(1 - x*x);
hyperpoint h1;
applymodel(hpxyz(x,y,z), h1);
if(h1[1] < 0) h1[1] = -h1[1];
if(a >= 90) h1[1] = -h1[1];
h1[1] = abs(h1[1]) * b;
curvepoint(h1 * vid.radius);
}